﻿/* ----------------------------------------------------------------------
 * Project:      CMSIS DSP Library
 * Title:        arm_vlog_f64.c
 * Description:  Fast vectorized log
 *
 * $Date:        10 August 2022
 * $Revision:    V1.10.1
 *
 * Target Processor: Cortex-M and Cortex-A cores
 * -------------------------------------------------------------------- */

/*
 * Copyright (C) 2010-2021 ARM Limited or its affiliates. All rights reserved.
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed under the Apache License, Version 2.0 (the License); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include "arm_compiler_specific.h"


#include "dsp/fast_math_functions.h"
#include "arm_common_tables.h"

ARM_DSP_ATTRIBUTE void arm_vlog_f64(
    const float64_t * pSrc,
    float64_t * pDst,
    uint32_t blockSize)
{
    uint32_t blkCnt;

    blkCnt = blockSize;
    
    
    while (blkCnt > 0U)
    {
        /* C = log(A) */
        
        /* Calculate log and store result in destination buffer. */
        *pDst++ = log(*pSrc++);
        
        /* Decrement loop counter */
        blkCnt--;
    }
}
